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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
18/12/2017 |
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Data da última atualização: |
18/06/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
HE, Y.; MATHIEU, J.; YANG, Y.; YU, P.; SILVA, M. L. B. da; ALVAREZ, P. J. J. |
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Afiliação: |
YA HE, Rice University Houston - Texas; JACQUES MATHIEU, Rice University Houston - Texas; YU YANG, Rice University Houston - Texas; PINGFENG YU, Rice University Houston - Texas; MARCIO LUIS BUSI DA SILVA, CNPSA; PEDRO J. J. ALVAREZ, Rice University Houston - Texas. |
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Título: |
Dioxane biodegradation by mycobacterium dioxanotrophicus pH-06 is associated with a group-6 soluble di-iron monooxygenase. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Environmental Science & Technology, v. 4, n. 11, p. 494-499, 2017. |
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DOI: |
10.1021/acs.estlett.7b00456 |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT: 1,4-Dioxane (dioxane) is a groundwater contaminant of emerging concern for which bioremediation may be a promising strategy. Several bacterial strains can metabolize dioxane or degrade it cometabolically. However, the molecular basis of dioxane biodegradation is only partially understood, and the gene coding for dioxane/ tetrahydrofuran (THF) monooxygenase in Pseudonocardia dioxanivorans CB1190 is the only well-characterized catabolic gene. Here, we identify a novel group-6 propane monooxygenase gene cluster (prmABCD) in Mycobacterium dioxanotrophicus PH-06, which is a bacterium with superior dioxane degradation kinetics compared with CB1190. Whole genome sequencing of PH-06 revealed the existence of a single soluble di-iron monooxygenase (SDIMO). RNA sequencing and reverse transcription quantitative PCR (RT-qPCR) subsequently confirmed that all four components of this gene cluster are upregulated when PH-06 is grown on dioxane compared with growth on acetate or glucose as negative controls. This first characterization of a group-6 SDIMO associated with dioxane biodegradation suggests that dioxane-degrading genes may be more diverse than previously appreciated. A primer/probe set designed to target the large hydroxylase subunit of this gene cluster exhibited high selectivity (no false positives) and high sensitivity (detection limit = 3000−4000 gene copies/mL culture), which may be useful to help assess the presence of dioxane degraders at contaminated sites and minimize false negatives. MenosABSTRACT: 1,4-Dioxane (dioxane) is a groundwater contaminant of emerging concern for which bioremediation may be a promising strategy. Several bacterial strains can metabolize dioxane or degrade it cometabolically. However, the molecular basis of dioxane biodegradation is only partially understood, and the gene coding for dioxane/ tetrahydrofuran (THF) monooxygenase in Pseudonocardia dioxanivorans CB1190 is the only well-characterized catabolic gene. Here, we identify a novel group-6 propane monooxygenase gene cluster (prmABCD) in Mycobacterium dioxanotrophicus PH-06, which is a bacterium with superior dioxane degradation kinetics compared with CB1190. Whole genome sequencing of PH-06 revealed the existence of a single soluble di-iron monooxygenase (SDIMO). RNA sequencing and reverse transcription quantitative PCR (RT-qPCR) subsequently confirmed that all four components of this gene cluster are upregulated when PH-06 is grown on dioxane compared with growth on acetate or glucose as negative controls. This first characterization of a group-6 SDIMO associated with dioxane biodegradation suggests that dioxane-degrading genes may be more diverse than previously appreciated. A primer/probe set designed to target the large hydroxylase subunit of this gene cluster exhibited high selectivity (no false positives) and high sensitivity (detection limit = 3000−4000 gene copies/mL culture), which may be useful to help assess the presence of dioxane degraders at contaminated sites ... Mostrar Tudo |
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Palavras-Chave: |
Biodegradação de dioxano; Microbactéria. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/198674/1/marcio-busi.pdf
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Marc: |
LEADER 02224naa a2200217 a 4500
001 2082755
005 2019-06-18
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1021/acs.estlett.7b00456$2DOI
100 1 $aHE, Y.
245 $aDioxane biodegradation by mycobacterium dioxanotrophicus pH-06 is associated with a group-6 soluble di-iron monooxygenase.$h[electronic resource]
260 $c2017
520 $aABSTRACT: 1,4-Dioxane (dioxane) is a groundwater contaminant of emerging concern for which bioremediation may be a promising strategy. Several bacterial strains can metabolize dioxane or degrade it cometabolically. However, the molecular basis of dioxane biodegradation is only partially understood, and the gene coding for dioxane/ tetrahydrofuran (THF) monooxygenase in Pseudonocardia dioxanivorans CB1190 is the only well-characterized catabolic gene. Here, we identify a novel group-6 propane monooxygenase gene cluster (prmABCD) in Mycobacterium dioxanotrophicus PH-06, which is a bacterium with superior dioxane degradation kinetics compared with CB1190. Whole genome sequencing of PH-06 revealed the existence of a single soluble di-iron monooxygenase (SDIMO). RNA sequencing and reverse transcription quantitative PCR (RT-qPCR) subsequently confirmed that all four components of this gene cluster are upregulated when PH-06 is grown on dioxane compared with growth on acetate or glucose as negative controls. This first characterization of a group-6 SDIMO associated with dioxane biodegradation suggests that dioxane-degrading genes may be more diverse than previously appreciated. A primer/probe set designed to target the large hydroxylase subunit of this gene cluster exhibited high selectivity (no false positives) and high sensitivity (detection limit = 3000−4000 gene copies/mL culture), which may be useful to help assess the presence of dioxane degraders at contaminated sites and minimize false negatives.
653 $aBiodegradação de dioxano
653 $aMicrobactéria
700 1 $aMATHIEU, J.
700 1 $aYANG, Y.
700 1 $aYU, P.
700 1 $aSILVA, M. L. B. da
700 1 $aALVAREZ, P. J. J.
773 $tEnvironmental Science & Technology$gv. 4, n. 11, p. 494-499, 2017.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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Biblioteca |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
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URL |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
18/09/2015 |
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Data da última atualização: |
14/03/2016 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
OLIVEIRA, A. D. de; RIBEIRO, F. C.; FERREIRA, E. A. B.; SOARES, J. P. G.; SILVA, F. R. da C.; BISPO, O. B.; ZANSAVIO, A. M. de O.; CEOLIN, J. G. R. |
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Afiliação: |
ALEXSANDRA DUARTE DE OLIVEIRA, CPAC; FABIANA C. RIBEIRO, UNB; ELOISA APARECIDA BELLEZA FERREIRA, CPAC; JOAO PAULO GUIMARAES SOARES, CPAC; FERNANDA R. DA C. SILVA, UNB; ODENILZA B. BISPO, UEG; AUREA M. DE O. ZANSAVIO, UNIEURO; JOÃO G. R. CEOLIN, UNB. |
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Título: |
Variability of Nitrous Oxide and Methane emissions from soils under Eucalyptus forests in the Cerrado (Brazilian savanna). |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapa, 2015. |
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Páginas: |
p. 310 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Emissão de gás; ILPF; Integração Lavoura-Pecuária-Floresta. |
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Thesagro: |
Cerrado; Eucalipto. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/129972/1/34713.pdf
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Marc: |
LEADER 00959nam a2200253 a 4500
001 2024398
005 2016-03-14
008 2015 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, A. D. de
245 $aVariability of Nitrous Oxide and Methane emissions from soils under Eucalyptus forests in the Cerrado (Brazilian savanna).
260 $aIn: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapa$c2015
300 $ap. 310
650 $aCerrado
650 $aEucalipto
653 $aEmissão de gás
653 $aILPF
653 $aIntegração Lavoura-Pecuária-Floresta
700 1 $aRIBEIRO, F. C.
700 1 $aFERREIRA, E. A. B.
700 1 $aSOARES, J. P. G.
700 1 $aSILVA, F. R. da C.
700 1 $aBISPO, O. B.
700 1 $aZANSAVIO, A. M. de O.
700 1 $aCEOLIN, J. G. R.
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